
3D3DMore lumps.
This is a larger sample of samarium dendritic crystals. Why I have them is not entirely clear to me, but they were on my desk so I photographed them.

Periodic Table Poster

Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 10 January, 2004
Text Updated: 4 May, 2007
Price: Donated
Size: 1"
Purity: 99.78%